There is a good chance it will be finished. At the current pace, buildings are taking 4-6 weeks to complete and we had first reports of a wing building 4 being shut down as of July 4th. Hoping it is finished between mid-late Aug.
Also, contrary to some information, there have been many reports of refurbishments starting just one wing of a building prior to the entire building being closed for renovations. This has been reported for 3/4 buildings so far so we know they sometimes start with just one wing at first.
Here is one of a few such reports: